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What’s an IIS ( Immunization Information System ) ? Registry = Log of People & Vaccines –confidential –population-based –computerized information systems just like RPMS - but only for Vaccines Vaccines on all children –in a region/geographic area –usually a state, IIS becomes SIIS ( for AZ = ASIIS) Some -- vaccine data for adults.

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Impact on Immunization Rates Not always intuitively obvious to the most casual observer, BUT... The better your data (accurate & timely) – the better your system works the better your frontline works – the higher your data (better rate) The “Positive” Cycle It’s a Win-Win-Win And why the rich get richer